lib_ui/ui/effects/fade_animation.h
2019-09-17 17:48:58 +03:00

65 lines
1.3 KiB
C++

// This file is part of Desktop App Toolkit,
// a set of libraries for developing nice desktop applications.
//
// For license and copyright information please follow this link:
// https://github.com/desktop-app/legal/blob/master/LEGAL
//
#pragma once
#include "ui/rp_widget.h"
#include "ui/effects/animations.h"
#include "styles/style_widgets.h"
namespace Ui {
class FadeAnimation {
public:
FadeAnimation(TWidget *widget, float64 scale = 1.);
bool paint(QPainter &p);
void refreshCache();
using FinishedCallback = Fn<void()>;
void setFinishedCallback(FinishedCallback &&callback);
using UpdatedCallback = Fn<void(float64)>;
void setUpdatedCallback(UpdatedCallback &&callback);
void show();
void hide();
void fadeIn(int duration);
void fadeOut(int duration);
void finish() {
stopAnimation();
}
bool animating() const {
return _animation.animating();
}
bool visible() const {
return _visible;
}
private:
void startAnimation(int duration);
void stopAnimation();
void updateCallback();
QPixmap grabContent();
TWidget *_widget = nullptr;
float64 _scale = 1.;
Ui::Animations::Simple _animation;
QSize _size;
QPixmap _cache;
bool _visible = false;
FinishedCallback _finishedCallback;
UpdatedCallback _updatedCallback;
};
} // namespace Ui